Generic
Generic 299Wh 300W
$102.59
$0.3431/Wh — price per watt-hour
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Price updated May 25, 2026
| Capacity | 299 Wh |
| AC Output | 3,600 W |
| Surge Power | — |
| Battery Type | Lithium |
| Weight | 4.38 lbs |
| Charge Time | — |
| Warranty | — |
| Price per Wh | $0.3431/Wh |
| Amazon Rating | ★ 4.2 (2,991 reviews) |
At $0.3431/Wh, the Generic 299Wh 300W ranks among the best value options available. The key question is whether this capacity fits your actual needs. A station you rarely use is wasted money regardless of $/Wh — use our runtime calculator to verify it covers your devices.
With 299Wh of storage, this station can run a laptop for approximately 3.9 hours, keep a mini-fridge running for 3.2 hours, or charge a smartphone around 17 times. Actual runtime depends on the efficiency of your specific devices and the ambient temperature.
The Lithium battery chemistry is standard lithium-ion, which lasts 300-800 cycles - typically 2-4 years with regular use. For most buyers planning regular use (weekly or more), this is an important consideration — see our full LiFePO4 vs Li-ion comparison.
Bottom line: If you need 299Wh of portable power and the current price of $102.59 fits your budget, this is a solid choice. Check the price history chart above to confirm you are buying at or near the historical low.
With 3600W of AC output and 299Wh capacity, it can run most household appliances under 3600W. Common uses: laptop (3.9h), LED lights (24h+), WiFi router (12h+), mini fridge (3.2h), CPAP machine (8.5h). It cannot run high-wattage appliances like electric ovens, space heaters, or central AC.
Charge time is typically 1-3 hours from a wall outlet. You can also recharge via solar panels or your car's 12V outlet, though these methods are slower than wall charging.
this is excellent value - well below the market average. The average price per Wh across all stations we track is around $0.55/Wh. Use our best $/Wh rankings to compare with all available options.